The Audio-Technica AT4051b-EL is a cardioid head capsule for the AT4900b-48 electronic body, forming part of Audio-Technica’s modular AT40 Series system. Engineered for professional recording, broadcast and sound reinforcement, it delivers a high front-to-back rejection ratio for effective isolation of the desired sound source. Additional interchangeable capsules are available in omnidirectional (AT4049b-EL) and hypercardioid (AT4053b-EL) patterns.
Polar Pattern
Cardioid
High rejection ratio
Frequency Response
20 – 20,000 Hz
Full range
Weight
23 g
Capsule only
Features
✓
Cardioid capsule for the AT4900b-48 modular body
Cardioid capsule for the AT4900b-48 modular body
✓
High front-to-back rejection ratio improves isolation of desired sound source
High front-to-back rejection ratio improves isolation of desired sound source
✓
Externally polarised (DC bias) capacitor element
Externally polarised (DC bias) capacitor element
✓
Interchangeable with AT4049b-EL (omni) and AT4053b-EL (hypercardioid) capsules
Interchangeable with AT4049b-EL (omni) and AT4053b-EL (hypercardioid) capsules
✓
Rugged turned-brass capsule housing
Rugged turned-brass capsule housing
✓
Engineered for professional recording, broadcast and sound reinforcement
Engineered for professional recording, broadcast and sound reinforcement
Specifications
| Element | Externally polarised (DC bias) capacitor |
| Polar Pattern | Cardioid |
| Frequency Response | 20 – 20,000 Hz |
| Compatible Body | AT4900b-48 |
| Weight | 23 g |











